GM Service Manual Online
For 1990-2009 cars only
8 Digit GM Part Number: The scan displays the part number of the module.

Battery Voltage: The scan tool displays 0-16 Volts. The voltage measured between the module's battery positive voltage circuit and ground circuit.

Calibration ID: The scan tool displays a 4 digit number. This number designates the calibration or program revision level used in the PROM.

Julian Date of Build: The scan tool displays a 3 digit number. This number is the day of the year that the module was built.

Lumbar Switches - Inputs: The scan tool displays Idle. When the lumbar switch is activated, the scan tool will display the switch input to the memory seat module as selected; Up, Down, Inflate Forward, or Deflate Rearward.

Lumbar Outputs: The scan tool displays Idle. When the lumbar switch is activated or during a memory recall, the scan tool will display the output of the memory seat module as selected; Up, Down, Inflate Forward, or Deflate Rearward.

Memory Recall Switches: The scan tool displays Idle. When a memory function switch is activated, the scan tool will momentarily display the memory function selected; Memory 1, Memory 2, Set, or Exit.

PROM ID: The scan tool displays a 4 digit number. This is the identification number of the PROM that is incorporated in the module.

Seat Switches - Inputs: The scan tool displays Idle. When a seat switch is activated, the scan tool will display the switch input to the memory seat module as selected; Seat Rearward, Seat Forward, Recline Rearward, Recline Forward, Ft. Vertical Down, Ft. Vert Vertical Up, Rear Vertical Down, or Rear Vertical Up.

Seat Outputs: The scan tool displays Idle. When a seat switch is activated or during a memory recall, the scan tool will display the output of the memory seat module as selected; Seat Rearward, Seat Forward, Recline Rearward, Recline Forward, Ft. Vertical Down, Ft. Vert Vertical Up, Rear Vertical Down, or Rear Vertical Up.

Year Module Built: The scan tool displays a 4 digit number. The number represents the year the module was built.

5 Volts Reference: The scan tool displays 0-5.0 volts. This is the 5 volt reference output of the module.